Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net (loss) income	$ (13,465)	$ 36,244
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	17,276	15,510
Amortization of debt costs	938	215
Provision for doubtful accounts	7,057	5,901
Deferred income taxes	(2,305)	(2,767)
Share-based compensation	5,358	7,124
Provision for inventory obsolescence	3,465	5,872
Loss on refinancing of credit facility		550
Gain on interest rate swap		(1,254)
Net gain on sale of vascular operations		(12,319)
Tax benefit on non-qualified stock options	(1,575)	(1,859)
Other	1,304	507
Change in operating assets and liabilities, net of effect of sale of vascular operations and acquisitions:
Trade accounts receivable	(15,746)	(10,080)
Inventories	(14,510)	667
Prepaid expenses and other current assets	1,869	(4,810)
Trade accounts payable	(2,180)	(5,072)
Charges related to U.S. Government inquiries	46,000
Other current liabilities	6,110	(4,678)
Net cash provided by operating activities	39,596	29,751
Cash flows from investing activities:
Capital expenditures for property, plant and equipment	(16,826)	(16,831)
Capital expenditures for intangible assets	(495)	(329)
Payment made in connection with acquisition	(5,250)
Net proceeds from sale of vascular operations		24,215
Net cash (used in) provided by investing activities	(22,571)	7,055
Cash flows from financing activities:
Net proceeds from issuance of common shares	18,890	7,031
Repayments of long-term debt	(3,750)	(29,961)
Payment of refinancing fees	(758)	(3,986)
Proceeds from (repayment of) bank borrowings, net	(2,642)	564
Change in restricted cash	(14,288)	(10,339)
Cash payment for purchase of minority interest in subsidiary	(517)
Tax benefit on non-qualified stock options	1,575	1,859
Net cash used in financing activities	(1,490)	(34,832)
Effect of exchange rate changes on cash	(76)	(54)
Net increase in cash and cash equivalents	15,459	1,920
Cash and cash equivalents at the beginning of the period	13,561	13,328
Cash and cash equivalents at the end of the period	$ 29,020	$ 15,248